Ubuntu
linux package

  1. Bug #1894667
  2. Comment #27

Comment 27 for bug 1894667

Revision history for this message
Erkan ÜNLÜTÜRK (erkan-unluturk) wrote :

xubuntu@xubuntu:~$ cd /sys/class/backlight/radeon_bl0
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ cat max_brightness
255
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ cat brightness
255
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ echo 120000 | sudo tee brightness
120000
tee: brightness: Invalid argument
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$ echo 60000 | sudo tee brightness
60000
tee: brightness: Invalid argument
xubuntu@xubuntu:/sys/class/backlight/radeon_bl0$